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Qyoto
4.0.5
Qyoto is a C# language binding for Qt
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The QTranslator class provides internationalization support for text output. More...
Public Member Functions | |
| QTranslator (QObject parent=null) | |
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| override void | CreateProxy () |
| virtual bool | IsEmpty () |
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| new bool | Load (QLocale locale, string filename, string prefix="", string directory="", string suffix="") |
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| new bool | Load (Pointer< byte > data, int len) |
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| new bool | Load (string filename, string directory="", string search_delimiters="", string suffix="") |
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| virtual string | Translate (string context, string sourceText, string disambiguation=null) |
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| new string | Translate (string context, string sourceText, string disambiguation, int n) |
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| new void | Dispose () |
 Public Member Functions inherited from QtCore.QObject | |
| QObject (QObject parent=null) | |
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| new bool | BlockSignals (bool b) |
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| new System.Collections.Generic.List < QObject > | Children () |
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| new bool | Connect (QObject sender, string signal, string member, Qt.ConnectionType type=Qt.ConnectionType.AutoConnection) |
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| new void | DeleteLater () |
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| new bool | Disconnect (QObject receiver, string member=null) |
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| new bool | Disconnect (string signal=null, QObject receiver=null, string member=null) |
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| new void | DumpObjectInfo () |
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| new void | DumpObjectTree () |
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| new System.Collections.Generic.List < QByteArray > | DynamicPropertyNames () |
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| virtual bool | OnEvent (QEvent arg1) |
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| virtual bool | EventFilter (QObject arg1, QEvent arg2) |
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| new bool | Inherits (string classname) |
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| new void | InstallEventFilter (QObject arg1) |
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| new bool | IsWidgetType () |
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| new void | KillTimer (int id) |
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| new object | Property (string name) |
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| new void | RemoveEventFilter (QObject arg1) |
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| new bool | SetProperty (string name, object value) |
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| new void | SetUserData (uint id, QObjectUserData data) |
| new bool | SignalsBlocked () |
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| new int | StartTimer (int interval) |
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| new QObjectUserData | UserData (uint id) |
| new void | Dispose () |
| Public Member Functions inherited from QtCore.Qt | |
| delegate QTextStream | FuncQTextStreamQTextStream (QTextStream qTextStream) |
| delegate string | FuncStringQByteArray (QByteArray qByteArray) |
| delegate QByteArray | FuncQByteArrayString (string @string) |
| delegate void | ActionQtMsgTypeString (QtMsgType qtMsgType, string @string) |
| delegate QObject | FuncQObject () |
Static Public Member Functions | |
| static string | Tr (string s, string c=null) |
| static string | Tr (string s, string c, int n) |
| static string | TrUtf8 (string s, string c=null) |
| static string | TrUtf8 (string s, string c, int n) |
| Static Public Member Functions inherited from QtCore.QObject | |
| static bool | Connect (QObject sender, QMetaMethod signal, QObject receiver, QMetaMethod method, Qt.ConnectionType type=Qt.ConnectionType.AutoConnection) |
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| static bool | Connect (QObject sender, string signal, QObject receiver, string member, Qt.ConnectionType arg5=Qt.ConnectionType.AutoConnection) |
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| static bool | Disconnect (QObject sender, QMetaMethod signal, QObject receiver, QMetaMethod member) |
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| static bool | Disconnect (QObject sender, string signal, QObject receiver, string member) |
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| static uint | RegisterUserData () |
| static string | Tr (string s, string c=null) |
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| static string | Tr (string s, string c, int n) |
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| static string | TrUtf8 (string s, string c=null) |
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| static string | TrUtf8 (string s, string c, int n) |
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| Static Public Member Functions inherited from QtCore.Qt | |
| static QDataStream | Write (QDataStream s, object p) |
| static QDataStream | Write (QDataStream arg1, QSizeF arg2) |
| static QTextStream | Write (QTextStream s, Qt.FuncQTextStreamQTextStream f) |
| static QDataStream | Write (QDataStream arg1, QPoint arg2) |
| static QDataStream | Write (QDataStream arg1, QLineF arg2) |
| static QDataStream | Write (QDataStream arg1, QPointF arg2) |
| static QDataStream | Write (QDataStream arg1, QChar arg2) |
| static QDataStream | Write (QDataStream arg1, QByteArray arg2) |
| static QDataStream | Write (QDataStream arg1, QEasingCurve arg2) |
| static QDataStream | Write (QDataStream arg1, QRectF arg2) |
| static QDataStream | Write (QDataStream arg1, QDateTime arg2) |
| static QDataStream | Write (QDataStream arg1, QUrl arg2) |
| static QDataStream | Write (QDataStream arg1, QTime arg2) |
| static QDataStream | Write (QDataStream arg1, QLocale arg2) |
| static QDataStream | Write (QDataStream arg1, QBitArray arg2) |
| static QDataStream | Write (QDataStream arg1, QUuid arg2) |
| static QDataStream | Write (QDataStream arg1, QLine arg2) |
| static QDataStream | Write (QDataStream arg1, QDate arg2) |
| static QDataStream | Write (QDataStream @out, QRegExp regExp) |
| static QDataStream | Write (QDataStream arg1, QRect arg2) |
| static QDataStream | Write (QDataStream arg1, QSize arg2) |
| static QDataStream | Write (QDataStream s, QVariant.Type p) |
| static QDataStream | Write (QDataStream arg1, string arg2) |
| static QDataStream | Write (QDataStream @out, System.Collections.Generic.List< string > list) |
| static QDataStream | Read (QDataStream arg1, QChar arg2) |
| static QDataStream | Read (QDataStream arg1, QLocale arg2) |
| static QDataStream | Read (QDataStream arg1, QRect arg2) |
| static QDataStream | Read (QDataStream arg1, QEasingCurve arg2) |
| static QDataStream | Read (QDataStream arg1, QDate arg2) |
| static QDataStream | Read (QDataStream arg1, QUrl arg2) |
| static QDataStream | Read (QDataStream arg1, QUuid arg2) |
| static QTextStream | Read (QTextStream s, Qt.FuncQTextStreamQTextStream f) |
| static QDataStream | Read (QDataStream arg1, QLineF arg2) |
| static QDataStream | Read (QDataStream arg1, QRectF arg2) |
| static QDataStream | Read (QDataStream arg1, QPointF arg2) |
| static QDataStream | Read (QDataStream arg1, QLine arg2) |
| static QDataStream | Read (QDataStream arg1, QBitArray arg2) |
| static QDataStream | Read (QDataStream arg1, QSize arg2) |
| static QDataStream | Read (QDataStream arg1, QDateTime arg2) |
| static QDataStream | Read (QDataStream arg1, QTime arg2) |
| static QDataStream | Read (QDataStream arg1, QPoint arg2) |
| static QDataStream | Read (QDataStream @in, QRegExp regExp) |
| static QDataStream | Read (QDataStream s, object p) |
| static QDataStream | Read (QDataStream arg1, QByteArray arg2) |
| static QDataStream | Read (QDataStream arg1, QSizeF arg2) |
| static QDataStream | Read (QDataStream arg1, string arg2) |
| static QDataStream | Read (QDataStream s, QVariant.Type p) |
| static QDataStream | Read (QDataStream @in, System.Collections.Generic.List< string > list) |
| static double | qAcos (double v) |
| static void | qAddPostRoutine (System.Action arg1) |
| static string | qAppName () |
| static double | qAsin (double v) |
| static double | qAtan (double v) |
| static double | qAtan2 (double x, double y) |
| static void | qBadAlloc () |
| static int | qCeil (double v) |
| static ushort | qChecksum (string s, uint len) |
| static QByteArray | qCompress (QByteArray data) |
| static QByteArray | qCompress (QByteArray data, int compressionLevel=-1) |
| static QByteArray | qCompress (Pointer< byte > data, int nbytes) |
| static QByteArray | qCompress (Pointer< byte > data, int nbytes, int compressionLevel=-1) |
| static double | qCos (double v) |
| static double | qExp (double v) |
| static double | qFabs (double v) |
| static double | qFastCos (double x) |
| static double | qFastSin (double x) |
| static string | qFlagLocation (string method) |
| static int | qFloor (double v) |
| static bool | qFuzzyCompare (double p1, double p2) |
| static bool | qFuzzyCompare (float p1, float p2) |
| static bool | qFuzzyIsNull (double d) |
| static bool | qFuzzyIsNull (float f) |
| static uint | qHash (QBitArray key) |
| static uint | qHash (QChar key) |
| static uint | qHash (QStringRef key) |
| static uint | qHash (QUrl url) |
| static uint | qHash (QPersistentModelIndex index) |
| static uint | qHash (QByteArray key) |
| static uint | qHash (QModelIndex index) |
| static uint | qHash (uint key) |
| static uint | qHash (sbyte key) |
| static uint | qHash (byte key) |
| static uint | qHash (short key) |
| static uint | qHash (NativeLong key) |
| static uint | qHash (ushort key) |
| static uint | qHash (long key) |
| static uint | qHash (ulong key) |
| static uint | qHash (int key) |
| static uint | qHash (string key) |
| static uint | qHash (NativeULong key) |
| static double | qInf () |
| static Qt.ActionQtMsgTypeString | qInstallMsgHandler (Qt.ActionQtMsgTypeString arg1) |
| static int | qIntCast (float f) |
| static int | qIntCast (double f) |
| static bool | qIsFinite (double d) |
| static bool | qIsFinite (float f) |
| static bool | qIsInf (float f) |
| static bool | qIsInf (double d) |
| static bool | qIsNaN (float f) |
| static bool | qIsNaN (double d) |
| static bool | qIsNull (float f) |
| static bool | qIsNull (double d) |
| static double | qLn (double v) |
| static double | qPow (double x, double y) |
| static double | qQNaN () |
| static void | qRegisterStaticPluginInstanceFunction (Qt.FuncQObject function) |
| static void | qRemovePostRoutine (System.Action arg1) |
| static int | qRound (double d) |
| static long | qRound64 (double d) |
| static double | qSNaN () |
| static bool | qSharedBuild () |
| static double | qSin (double v) |
| static double | qSqrt (double v) |
| static bool | qStringComparisonHelper (QStringRef s1, string s2) |
| static double | qTan (double v) |
| static QByteArray | qUncompress (QByteArray data) |
| static QByteArray | qUncompress (Pointer< byte > data, int nbytes) |
| static string | qVersion () |
| static void | Qbswap_helper (Pointer< byte > src, Pointer< byte > dest, int size) |
| static QByteArray | Qgetenv (string varName) |
| static bool | Qputenv (string varName, QByteArray value) |
| static int | Qrand () |
| static void | Qsrand (uint seed) |
| static int | Qstrcmp (QByteArray str1, QByteArray str2) |
| static int | Qstrcmp (QByteArray str1, string str2) |
| static int | Qstrcmp (string str1, QByteArray str2) |
| static int | Qstrcmp (string str1, string str2) |
| static Pointer< sbyte > | Qstrcpy (Pointer< sbyte > dst, string src) |
| static Pointer< sbyte > | Qstrdup (string arg1) |
| static int | Qstricmp (string arg1, string arg2) |
| static uint | Qstrlen (string str) |
| static int | Qstrncmp (string str1, string str2, uint len) |
| static Pointer< sbyte > | Qstrncpy (Pointer< sbyte > dst, string src, uint len) |
| static int | Qstrnicmp (string arg1, string arg2, uint len) |
| static uint | Qstrnlen (string str, uint maxlen) |
| static string | QtTrId (string id, int n=-1) |
Protected Member Functions | |
| QTranslator (System.Type dummy) | |
| Protected Member Functions inherited from QtCore.QObject | |
| QObject (System.Type dummy) | |
| virtual void | OnChildEvent (QChildEvent arg1) |
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| virtual void | ConnectNotify (string signal) |
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| virtual void | OnCustomEvent (QEvent arg1) |
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| new void | OnDestroyed (QObject arg1=null) |
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| virtual void | DisconnectNotify (string signal) |
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| new int | Receivers (string signal) |
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| new QObject | Sender () |
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| new int | SenderSignalIndex () |
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| virtual void | OnTimerEvent (QTimerEvent arg1) |
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Properties | |
| static new QMetaObject | StaticMetaObject [get] |
| new IQTranslatorSignals | Emit [get] |
| Properties inherited from QtCore.QObject | |
| virtual EventHandler < QEventArgs< QChildEvent > > | ChildEvent |
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| virtual EventHandler < QEventArgs< QEvent > > | CustomEvent |
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| virtual EventHandler < QEventArgs< QEvent > > | Event |
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| virtual EventHandler < QEventArgs< QTimerEvent > > | TimerEvent |
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| Slot< QObject > | DestroyedQObject |
| Slot | Destroyed |
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| new QObject | Parent [get, set] |
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| virtual System.IntPtr | SmokeObject [get, set] |
| new string | ObjectName [get, set] |
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| static new QMetaObject | StaticMetaObject [get] |
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| static new QMetaObject | StaticQtMetaObject [get] |
| new IQObjectSignals | Emit [get] |
The QTranslator class provides internationalization support for text output.
An object of this class contains a set of translations from a source language to a target language. QTranslator provides functions to look up translations in a translation file. Translation files are created using Qt Linguist.
The most common use of QTranslator is to: load a translation file, install it using QApplication::installTranslator(), and use it via QObject::tr(). Here's the main() function from the Hello tr() example:
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTranslator translator;
translator.load("hellotr_la");
app.installTranslator(&translator);
QPushButton hello(QPushButton::tr("Hello world!"));
hello.resize(100, 30);
hello.show();
return app.exec();
}
Note that the translator must be created before the application's widgets.
Most applications will never need to do anything else with this class. The other functions provided by this class are useful for applications that work on translator files.
Looking up Translations
It is possible to look up a translation using translate() (as tr() and QApplication::translate() do). The translate() function takes up to three parameters:
The context - usually the class name for the tr() caller.
The source text - usually the argument to tr().
The disambiguation - an optional string that helps disambiguate different uses of the same text in the same context.
For example, the "Cancel" in a dialog might have "Anuluj" when the program runs in Polish (in this case the source text would be "Cancel"). The context would (normally) be the dialog's class name; there would normally be no comment, and the translated text would be "Anuluj".
But it's not always so simple. The Spanish version of a printer dialog with settings for two-sided printing and binding would probably require both "Activado" and "Activada" as translations for "Enabled". In this case the source text would be "Enabled" in both cases, and the context would be the dialog's class name, but the two items would have disambiguations such as "two-sided printing" for one and "binding" for the other. The disambiguation enables the translator to choose the appropriate gender for the Spanish version, and enables Qt to distinguish between translations.
Using Multiple Translations
Multiple translation files can be installed in an application. Translations are searched for in the reverse order in which they were installed, so the most recently installed translation file is searched for translations first and the earliest translation file is searched last. The search stops as soon as a translation containing a matching string is found.
This mechanism makes it possible for a specific translation to be "selected" or given priority over the others; simply uninstall the translator from the application by passing it to the QApplication::removeTranslator() function and reinstall it with QApplication::installTranslator(). It will then be the first translation to be searched for matching strings.
See also QApplication::installTranslator(), QApplication::removeTranslator(), QObject::tr(), QApplication::translate(), I18N Example, Hello tr() Example, Arrow Pad Example, and Troll Print Example.
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| QtCore.QTranslator.QTranslator | ( | QObject | parent = null | ) |
Constructs an empty message file object with parent parent that is not connected to any file.
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Reimplemented from QtCore.QObject.
| new void QtCore.QTranslator.Dispose | ( | ) |
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Returns true if this translator is empty, otherwise returns false. This function works with stripped and unstripped translation files.
| new bool QtCore.QTranslator.Load | ( | QLocale | locale, |
| string | filename, | ||
| string | prefix = "", |
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| string | directory = "", |
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| string | suffix = "" |
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| ) |
Loads filename + suffix (".qm" if the suffix is not specified), which may be an absolute file name or relative to directory. Returns true if the translation is successfully loaded; otherwise returns false.
If directory is not specified, the directory of the application's executable is used (i.e., as applicationDirPath()).
The previous contents of this translator object are discarded.
If the file name does not exist, other file names are tried in the following order:
File name without suffix appended.
File name with text after a character in search_delimiters stripped ("_." is the default for search_delimiters if it is an empty string) and suffix.
File name stripped without suffix appended.
File name stripped further, etc.
For example, an application running in the fr_CA locale (French-speaking Canada) might call load("foo.fr_ca", "/opt/foolib"). load() would then try to open the first existing readable file from this list:
/opt/foolib/foo.fr_ca.qm
/opt/foolib/foo.fr_ca
/opt/foolib/foo.fr.qm
/opt/foolib/foo.fr
/opt/foolib/foo.qm
/opt/foolib/foo
| new bool QtCore.QTranslator.Load | ( | Pointer< byte > | data, |
| int | len | ||
| ) |
Loads filename + suffix (".qm" if the suffix is not specified), which may be an absolute file name or relative to directory. Returns true if the translation is successfully loaded; otherwise returns false.
If directory is not specified, the directory of the application's executable is used (i.e., as applicationDirPath()).
The previous contents of this translator object are discarded.
If the file name does not exist, other file names are tried in the following order:
File name without suffix appended.
File name with text after a character in search_delimiters stripped ("_." is the default for search_delimiters if it is an empty string) and suffix.
File name stripped without suffix appended.
File name stripped further, etc.
For example, an application running in the fr_CA locale (French-speaking Canada) might call load("foo.fr_ca", "/opt/foolib"). load() would then try to open the first existing readable file from this list:
/opt/foolib/foo.fr_ca.qm
/opt/foolib/foo.fr_ca
/opt/foolib/foo.fr.qm
/opt/foolib/foo.fr
/opt/foolib/foo.qm
/opt/foolib/foo
| new bool QtCore.QTranslator.Load | ( | string | filename, |
| string | directory = "", |
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| string | search_delimiters = "", |
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| string | suffix = "" |
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Loads filename + suffix (".qm" if the suffix is not specified), which may be an absolute file name or relative to directory. Returns true if the translation is successfully loaded; otherwise returns false.
If directory is not specified, the directory of the application's executable is used (i.e., as applicationDirPath()).
The previous contents of this translator object are discarded.
If the file name does not exist, other file names are tried in the following order:
File name without suffix appended.
File name with text after a character in search_delimiters stripped ("_." is the default for search_delimiters if it is an empty string) and suffix.
File name stripped without suffix appended.
File name stripped further, etc.
For example, an application running in the fr_CA locale (French-speaking Canada) might call load("foo.fr_ca", "/opt/foolib"). load() would then try to open the first existing readable file from this list:
/opt/foolib/foo.fr_ca.qm
/opt/foolib/foo.fr_ca
/opt/foolib/foo.fr.qm
/opt/foolib/foo.fr
/opt/foolib/foo.qm
/opt/foolib/foo
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Returns the translation for the key (context, sourceText, disambiguation). If none is found, also tries (context, sourceText, ""). If that still fails, returns an empty string.
If you need to programatically insert translations in to a QTranslator, this function can be reimplemented.
See also load().
| new string QtCore.QTranslator.Translate | ( | string | context, |
| string | sourceText, | ||
| string | disambiguation, | ||
| int | n | ||
| ) |
This function overloads translate().
Returns the translation for the key (context, sourceText, disambiguation). If none is found, also tries (context, sourceText, ""). If that still fails, returns an empty string.
If n is not -1, it is used to choose an appropriate form for the translation (e.g. "n file found" vs. "n files found").
See also load().
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1.8.2 
